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BSI 22/30462546 DC 2022

BSI 22/30462546 DC 2022

$13.70

BS EN ISO 6508-2. Metallic materials. Rockwell hardness test – Part 2. Verification and calibration of testing machines and indenters

Published By Publication Date Number of Pages
BSI 2022 29
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PDF Catalog

PDF Pages PDF Title
6 Foreword
7 1 Scope
2 Normative references
3 General conditions
8 4 Direct verification of the testing machine
4.1 General
4.2 Calibration and verification of the test force
9 4.3 Calibration and verification of the depth-measuring system
4.4 Calibration and verification of the testing cycle
10 4.5 Calibration and verification of the machine hysteresis
5 Indirect verification of the testing machine
5.1 General
5.2 Procedure
11 5.3 Repeatability
13 5.4 Bias
5.5 Uncertainty of measurement
6 Calibration and verification of Rockwell hardness indenters
6.1 General
6.2 Diamond indenter
6.2.1 General
6.2.2 Direct calibration and verification of the diamond indenter
14 6.2.3 Indirect verification of diamond indenters
15 6.3 Ball indenter
16 6.3.1 Direct calibration and verification of the ball indenter
17 6.3.2 Indirect verification of the ball holder assembly
6.4 Marking
7 Intervals between direct and indirect calibrations and verifications
18 8 Verification report
19 Annex€A (normative) Repeatability of testing machines
21 Annex€B (informative) Uncertainty of measurement of the calibration results of the hardness testing machine
29 Bibliography

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BSI 22/30462546 DC 2022
$13.70